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<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: JObjectContainer.ObjTypePropertyDef.html 842 2015-03-07 18:20:42Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.gui;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import com.google.common.base.Function;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import com.google.common.base.Predicate;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import com.google.common.collect.Iterables;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import com.google.common.collect.Lists;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import com.vaadin.shared.ui.label.ContentMode;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import com.vaadin.ui.Component;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import com.vaadin.ui.HorizontalLayout;<a name="line.16"></a>
<span class="sourceLineNo">017</span><a name="line.17"></a>
<span class="sourceLineNo">018</span>import java.util.ArrayList;<a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.util.Collection;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.util.Collections;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.HashMap;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.LinkedHashMap;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.Map;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.SortedMap;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.dellroad.stuff.vaadin7.PropertyDef;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.dellroad.stuff.vaadin7.PropertyExtractor;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.dellroad.stuff.vaadin7.ProvidesPropertyScanner;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.dellroad.stuff.vaadin7.SimpleItem;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.dellroad.stuff.vaadin7.SimpleKeyedContainer;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.jsimpledb.CopyState;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.jsimpledb.JCollectionField;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.jsimpledb.JCounterField;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.jsimpledb.JField;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import org.jsimpledb.JFieldSwitchAdapter;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import org.jsimpledb.JMapField;<a name="line.37"></a>
<span class="sourceLineNo">038</span>import org.jsimpledb.JObject;<a name="line.38"></a>
<span class="sourceLineNo">039</span>import org.jsimpledb.JSimpleDB;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import org.jsimpledb.JSimpleField;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import org.jsimpledb.JTransaction;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import org.jsimpledb.SnapshotJTransaction;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import org.jsimpledb.change.Change;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import org.jsimpledb.change.ChangeAdapter;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import org.jsimpledb.change.FieldChange;<a name="line.45"></a>
<span class="sourceLineNo">046</span>import org.jsimpledb.change.ObjectCreate;<a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.jsimpledb.change.ObjectDelete;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.jsimpledb.core.DeletedObjectException;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.jsimpledb.core.ObjId;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.jsimpledb.core.UnknownFieldException;<a name="line.50"></a>
<span class="sourceLineNo">051</span>import org.jsimpledb.util.ObjIdSet;<a name="line.51"></a>
<span class="sourceLineNo">052</span>import org.slf4j.Logger;<a name="line.52"></a>
<span class="sourceLineNo">053</span>import org.slf4j.LoggerFactory;<a name="line.53"></a>
<span class="sourceLineNo">054</span><a name="line.54"></a>
<span class="sourceLineNo">055</span>/**<a name="line.55"></a>
<span class="sourceLineNo">056</span> * General purpose support superclass for Vaadin {@link com.vaadin.data.Container}s backed by {@link JSimpleDB} database objects.<a name="line.56"></a>
<span class="sourceLineNo">057</span> * Automatically creates properties for object ID, database type, version, and fields, as well as any custom properties<a name="line.57"></a>
<span class="sourceLineNo">058</span> * defined by {@link org.dellroad.stuff.vaadin7.ProvidesProperty &amp;#64;ProvidesProperty}-annotated methods in Java model classes,<a name="line.58"></a>
<span class="sourceLineNo">059</span> * and handles {@link Change} updates of backing objects or their related objects.<a name="line.59"></a>
<span class="sourceLineNo">060</span> *<a name="line.60"></a>
<span class="sourceLineNo">061</span> * &lt;p&gt;<a name="line.61"></a>
<span class="sourceLineNo">062</span> * Instances are configured with a &lt;b&gt;type&lt;/b&gt;, which can be any Java type (including interface types). The container<a name="line.62"></a>
<span class="sourceLineNo">063</span> * will then be restricted to database objects that are instances of the configured type. The type may be null, in which<a name="line.63"></a>
<span class="sourceLineNo">064</span> * case there is no restriction. The subclass method {@linkplain #queryForObjects queryForObjects()} determines which<a name="line.64"></a>
<span class="sourceLineNo">065</span> * objects are actually loaded into the container. The items in the container are backed by in-memory copies of the<a name="line.65"></a>
<span class="sourceLineNo">066</span> * corresponding database objects that live inside a {@link org.jsimpledb.SnapshotJTransaction}.<a name="line.66"></a>
<span class="sourceLineNo">067</span> * &lt;/p&gt;<a name="line.67"></a>
<span class="sourceLineNo">068</span> *<a name="line.68"></a>
<span class="sourceLineNo">069</span> * &lt;p&gt;&lt;b&gt;Container Properties&lt;/b&gt;&lt;/p&gt;<a name="line.69"></a>
<span class="sourceLineNo">070</span> *<a name="line.70"></a>
<span class="sourceLineNo">071</span> * &lt;p&gt;<a name="line.71"></a>
<span class="sourceLineNo">072</span> * Instances will have the following container properties:<a name="line.72"></a>
<span class="sourceLineNo">073</span> * &lt;ul&gt;<a name="line.73"></a>
<span class="sourceLineNo">074</span> *  &lt;li&gt;{@link #OBJECT_ID_PROPERTY}: Object {@link ObjId}&lt;/li&gt;<a name="line.74"></a>
<span class="sourceLineNo">075</span> *  &lt;li&gt;{@link #TYPE_PROPERTY}: Object type name (JSimpleDB type name, not Java type name, though these are typically the same)&lt;/li&gt;<a name="line.75"></a>
<span class="sourceLineNo">076</span> *  &lt;li&gt;{@link #VERSION_PROPERTY}: Object schema version&lt;/li&gt;<a name="line.76"></a>
<span class="sourceLineNo">077</span> *  &lt;li&gt;{@link #REFERENCE_LABEL_PROPERTY}: Object &lt;b&gt;reference label&lt;/b&gt;, which is a short description identifying the<a name="line.77"></a>
<span class="sourceLineNo">078</span> *      object. Reference labels are used to provide "names" for objects that are more meaningful than object ID's<a name="line.78"></a>
<span class="sourceLineNo">079</span> *      and are used as such in other {@link JSimpleDB} GUI classes. To customize the reference label for a Java model class,<a name="line.79"></a>
<span class="sourceLineNo">080</span> *      annotate a method with {@link org.dellroad.stuff.vaadin7.ProvidesProperty &amp;#64;ProvidesProperty}{@code (}{@link<a name="line.80"></a>
<span class="sourceLineNo">081</span> *      JObjectContainer#REFERENCE_LABEL_PROPERTY REFERENCE_LABEL_PROPERTY}{@code )};<a name="line.81"></a>
<span class="sourceLineNo">082</span> *      otherwise, the value of this property will be the same as {@link #OBJECT_ID_PROPERTY}.&lt;/li&gt;<a name="line.82"></a>
<span class="sourceLineNo">083</span> *  &lt;li&gt;A property for every {@link JSimpleDB} field that is common to all object types that sub-type<a name="line.83"></a>
<span class="sourceLineNo">084</span> *      this instance's configured type. The property's ID is the field name; its value is as follows:<a name="line.84"></a>
<span class="sourceLineNo">085</span> *      &lt;ul&gt;<a name="line.85"></a>
<span class="sourceLineNo">086</span> *          &lt;li&gt;Simple fields will show their string values&lt;/li&gt;<a name="line.86"></a>
<span class="sourceLineNo">087</span> *          &lt;li&gt;Reference fields show the {@link #REFERENCE_LABEL_PROPERTY} of the referred-to object, or "Null"<a name="line.87"></a>
<span class="sourceLineNo">088</span> *              if the reference is null&lt;/li&gt;<a name="line.88"></a>
<span class="sourceLineNo">089</span> *          &lt;li&gt;Set, list, and map fields show the first few entries in the collection&lt;/li&gt;<a name="line.89"></a>
<span class="sourceLineNo">090</span> *      &lt;/ul&gt;<a name="line.90"></a>
<span class="sourceLineNo">091</span> *  &lt;/li&gt;<a name="line.91"></a>
<span class="sourceLineNo">092</span> *  &lt;li&gt;A property for each {@link org.dellroad.stuff.vaadin7.ProvidesProperty &amp;#64;ProvidesProperty}-annotated method<a name="line.92"></a>
<span class="sourceLineNo">093</span> *      in the specified &lt;b&gt;type&lt;/b&gt;. These properties will add to (or override) the properties listed above.<a name="line.93"></a>
<span class="sourceLineNo">094</span> * &lt;/ul&gt;<a name="line.94"></a>
<span class="sourceLineNo">095</span> *<a name="line.95"></a>
<span class="sourceLineNo">096</span> * &lt;p&gt;&lt;b&gt;Loading&lt;/b&gt;&lt;/p&gt;<a name="line.96"></a>
<span class="sourceLineNo">097</span> *<a name="line.97"></a>
<span class="sourceLineNo">098</span> * &lt;p&gt;<a name="line.98"></a>
<span class="sourceLineNo">099</span> * Instances may be (re)loaded at any time by invoking {@link #reload}. This causes the container<a name="line.99"></a>
<span class="sourceLineNo">100</span> * to query for {@link JObject}s within a new {@link JTransaction} via the subclass-provided method<a name="line.100"></a>
<span class="sourceLineNo">101</span> * {@link #queryForObjects queryForObjects()}, which returns an {@link Iterable Iterable&amp;lt;JObject&amp;gt;}. This container<a name="line.101"></a>
<span class="sourceLineNo">102</span> * copies the resulting database objects into the container's<a name="line.102"></a>
<span class="sourceLineNo">103</span> * in-memory {@link org.jsimpledb.SnapshotJTransaction}. The latter effectively serves as the cache for the container,<a name="line.103"></a>
<span class="sourceLineNo">104</span> * so that database transactions may be short-lived and are only required when (re)loading. Because the container contents<a name="line.104"></a>
<span class="sourceLineNo">105</span> * are in memory, with large data sets this container should only be loaded with one "page" of objects at a time (a "page"<a name="line.105"></a>
<span class="sourceLineNo">106</span> * typically being only what a human would be willing to scroll through at one time). It is up to<a name="line.106"></a>
<span class="sourceLineNo">107</span> * {@link #queryForObjects queryForObjects()} to determine what and how many objects are returned, their sort order, etc.<a name="line.107"></a>
<span class="sourceLineNo">108</span> * (if {@link #queryForObjects queryForObjects()} returns any objects that are not instances of the configured type,<a name="line.108"></a>
<span class="sourceLineNo">109</span> * they are ignored). In any case, the maximum number of objects that will be loaded is limited by a<a name="line.109"></a>
<span class="sourceLineNo">110</span> * {@linkplain #setMaxObjects configurable} maximum.<a name="line.110"></a>
<span class="sourceLineNo">111</span> * &lt;/p&gt;<a name="line.111"></a>
<span class="sourceLineNo">112</span> *<a name="line.112"></a>
<span class="sourceLineNo">113</span> * &lt;p&gt;<a name="line.113"></a>
<span class="sourceLineNo">114</span> * When {@link org.dellroad.stuff.vaadin7.ProvidesProperty &amp;#64;ProvidesProperty}-annotated methods are present on Java<a name="line.114"></a>
<span class="sourceLineNo">115</span> * model classes, these property values may derive from other objects related to the backing instance. In order for these<a name="line.115"></a>
<span class="sourceLineNo">116</span> * methods to work on the in-memory instance, the related objects must be copied into memory as well. The<a name="line.116"></a>
<span class="sourceLineNo">117</span> * {@link #getDependencies getDependencies()} method allows the subclass to specify what other database objects<a name="line.117"></a>
<span class="sourceLineNo">118</span> * some Vaadin property depends on.<a name="line.118"></a>
<span class="sourceLineNo">119</span> * &lt;/p&gt;<a name="line.119"></a>
<span class="sourceLineNo">120</span> *<a name="line.120"></a>
<span class="sourceLineNo">121</span> * &lt;p&gt;&lt;b&gt;Updating Items&lt;/b&gt;&lt;/p&gt;<a name="line.121"></a>
<span class="sourceLineNo">122</span> *<a name="line.122"></a>
<span class="sourceLineNo">123</span> * &lt;p&gt;<a name="line.123"></a>
<span class="sourceLineNo">124</span> * Instances support updating individual items without requiring a complete container reload by invoking<a name="line.124"></a>
<span class="sourceLineNo">125</span> * {@link #handleChange handleChange()}. In a typical design pattern, {@link org.jsimpledb.change.Change} objects originate<a name="line.125"></a>
<span class="sourceLineNo">126</span> * from {@link org.jsimpledb.annotation.OnChange &amp;#64;OnChange} methods and are broadcast (after copying into memory using<a name="line.126"></a>
<span class="sourceLineNo">127</span> * a {@link org.jsimpledb.change.ChangeCopier}) to listeners such as this container by a transaction synchronization callback<a name="line.127"></a>
<span class="sourceLineNo">128</span> * (see {@link org.jsimpledb.core.Transaction#addCallback Transaction.addCallback()}).<a name="line.128"></a>
<span class="sourceLineNo">129</span> * &lt;/p&gt;<a name="line.129"></a>
<span class="sourceLineNo">130</span> *<a name="line.130"></a>
<span class="sourceLineNo">131</span> * &lt;p&gt;<a name="line.131"></a>
<span class="sourceLineNo">132</span> * Moreover, this container keeps track of which related objects are associated with each backing object (according to<a name="line.132"></a>
<span class="sourceLineNo">133</span> * {@link #getDependencies getDependencies()}). {@link Change} events that affect a related object automatically cause<a name="line.133"></a>
<span class="sourceLineNo">134</span> * the corresponding backing object(s) to update.<a name="line.134"></a>
<span class="sourceLineNo">135</span> * &lt;/p&gt;<a name="line.135"></a>
<span class="sourceLineNo">136</span> *<a name="line.136"></a>
<span class="sourceLineNo">137</span> * &lt;p&gt;<a name="line.137"></a>
<span class="sourceLineNo">138</span> * This class responds to the creation or deletion of a database object matching this container's configured type<a name="line.138"></a>
<span class="sourceLineNo">139</span> * by reloading the container; however, this is a conservative approach, as not necessarily every newly created (or<a name="line.139"></a>
<span class="sourceLineNo">140</span> * deleted) object should be (or was) present in the container in the first place. Subclasses may wish to optimize this<a name="line.140"></a>
<span class="sourceLineNo">141</span> * behavior by overriding {@link #handleObjectCreate handleObjectCreate()} and/or {@link #handleObjectDelete handleObjectDelete()}.<a name="line.141"></a>
<span class="sourceLineNo">142</span> * &lt;/p&gt;<a name="line.142"></a>
<span class="sourceLineNo">143</span> *<a name="line.143"></a>
<span class="sourceLineNo">144</span> * &lt;p&gt;&lt;b&gt;{@link org.dellroad.stuff.vaadin7.ProvidesProperty &amp;#64;ProvidesProperty} Limitations&lt;/b&gt;&lt;/p&gt;<a name="line.144"></a>
<span class="sourceLineNo">145</span> *<a name="line.145"></a>
<span class="sourceLineNo">146</span> * &lt;p&gt;<a name="line.146"></a>
<span class="sourceLineNo">147</span> * The use of {@link org.dellroad.stuff.vaadin7.ProvidesProperty &amp;#64;ProvidesProperty} methods has certain implications.<a name="line.147"></a>
<span class="sourceLineNo">148</span> * First, if the method reads any of the object's field(s) via their Java getter methods (as would normally be expected),<a name="line.148"></a>
<span class="sourceLineNo">149</span> * this will trigger a schema upgrade of the object if needed; however, this schema upgrade will occur in the<a name="line.149"></a>
<span class="sourceLineNo">150</span> * container's in-memory {@link org.jsimpledb.SnapshotJTransaction} rather than in a real database transaction, so the<a name="line.150"></a>
<span class="sourceLineNo">151</span> * {@link #VERSION_PROPERTY} will return a different schema version from what's in the database. The automatic schema<a name="line.151"></a>
<span class="sourceLineNo">152</span> * upgrade can be avoided if desired by reading the field using the appropriate {@link JTransaction} field access method<a name="line.152"></a>
<span class="sourceLineNo">153</span> * (e.g., {@link JTransaction#readSimpleField JTransaction.readSimpleField()}) and being prepared to handle a<a name="line.153"></a>
<span class="sourceLineNo">154</span> * {@link org.jsimpledb.core.UnknownFieldException} if/when the object has an older schema version that does not contain<a name="line.154"></a>
<span class="sourceLineNo">155</span> * the requested field.<a name="line.155"></a>
<span class="sourceLineNo">156</span> * &lt;/p&gt;<a name="line.156"></a>
<span class="sourceLineNo">157</span> *<a name="line.157"></a>
<span class="sourceLineNo">158</span> * &lt;p&gt;<a name="line.158"></a>
<span class="sourceLineNo">159</span> * Secondly, because the values of reference fields (including complex sub-fields) are displayed using reference labels,<a name="line.159"></a>
<span class="sourceLineNo">160</span> * and these are typically derived from the referenced object's fields, those indirectly referenced objects need to be<a name="line.160"></a>
<span class="sourceLineNo">161</span> * copied into the container's {@link org.jsimpledb.SnapshotJTransaction} as well. The easiest way to ensure these indirectly<a name="line.161"></a>
<span class="sourceLineNo">162</span> * referenced objects are copied is by overriding {@link #getDependencies getDependencies()} as described above. Alternately,<a name="line.162"></a>
<span class="sourceLineNo">163</span> * the subclass may override {@link #copyOut copyOut()} to take complete control of copying objects into memory.<a name="line.163"></a>
<span class="sourceLineNo">164</span> * &lt;/p&gt;<a name="line.164"></a>
<span class="sourceLineNo">165</span> */<a name="line.165"></a>
<span class="sourceLineNo">166</span>@SuppressWarnings("serial")<a name="line.166"></a>
<span class="sourceLineNo">167</span>public abstract class JObjectContainer extends SimpleKeyedContainer&lt;ObjId, JObject&gt; {<a name="line.167"></a>
<span class="sourceLineNo">168</span><a name="line.168"></a>
<span class="sourceLineNo">169</span>    /**<a name="line.169"></a>
<span class="sourceLineNo">170</span>     * Default maximum number of objects.<a name="line.170"></a>
<span class="sourceLineNo">171</span>     */<a name="line.171"></a>
<span class="sourceLineNo">172</span>    public static final int DEFAULT_MAX_OBJECTS = 1000;<a name="line.172"></a>
<span class="sourceLineNo">173</span><a name="line.173"></a>
<span class="sourceLineNo">174</span>    /**<a name="line.174"></a>
<span class="sourceLineNo">175</span>     * Container property name for the reference label property, which has type {@link Component}.<a name="line.175"></a>
<span class="sourceLineNo">176</span>     */<a name="line.176"></a>
<span class="sourceLineNo">177</span>    public static final String REFERENCE_LABEL_PROPERTY = "$label";<a name="line.177"></a>
<span class="sourceLineNo">178</span><a name="line.178"></a>
<span class="sourceLineNo">179</span>    /**<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * Container property name for the object ID property.<a name="line.180"></a>
<span class="sourceLineNo">181</span>     */<a name="line.181"></a>
<span class="sourceLineNo">182</span>    public static final String OBJECT_ID_PROPERTY = "$objId";<a name="line.182"></a>
<span class="sourceLineNo">183</span><a name="line.183"></a>
<span class="sourceLineNo">184</span>    /**<a name="line.184"></a>
<span class="sourceLineNo">185</span>     * Container property name for the object type property.<a name="line.185"></a>
<span class="sourceLineNo">186</span>     */<a name="line.186"></a>
<span class="sourceLineNo">187</span>    public static final String TYPE_PROPERTY = "$type";<a name="line.187"></a>
<span class="sourceLineNo">188</span><a name="line.188"></a>
<span class="sourceLineNo">189</span>    /**<a name="line.189"></a>
<span class="sourceLineNo">190</span>     * Container property name for the object schema version property.<a name="line.190"></a>
<span class="sourceLineNo">191</span>     */<a name="line.191"></a>
<span class="sourceLineNo">192</span>    public static final String VERSION_PROPERTY = "$version";<a name="line.192"></a>
<span class="sourceLineNo">193</span><a name="line.193"></a>
<span class="sourceLineNo">194</span>    protected final Logger log = LoggerFactory.getLogger(this.getClass());<a name="line.194"></a>
<span class="sourceLineNo">195</span><a name="line.195"></a>
<span class="sourceLineNo">196</span>    /**<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * The associated {@link JSimpleDB}, provding schema information.<a name="line.197"></a>
<span class="sourceLineNo">198</span>     */<a name="line.198"></a>
<span class="sourceLineNo">199</span>    protected final JSimpleDB jdb;<a name="line.199"></a>
<span class="sourceLineNo">200</span><a name="line.200"></a>
<span class="sourceLineNo">201</span>    private final ObjIdPropertyDef objIdPropertyDef = new ObjIdPropertyDef();<a name="line.201"></a>
<span class="sourceLineNo">202</span>    private final ObjTypePropertyDef objTypePropertyDef = new ObjTypePropertyDef();<a name="line.202"></a>
<span class="sourceLineNo">203</span>    private final ObjVersionPropertyDef objVersionPropertyDef = new ObjVersionPropertyDef();<a name="line.203"></a>
<span class="sourceLineNo">204</span>    private final RefLabelPropertyDef refLabelPropertyDef = new RefLabelPropertyDef();<a name="line.204"></a>
<span class="sourceLineNo">205</span>    private final HashMap&lt;ObjId, ObjIdSet&gt; dependenciesMap = new HashMap&lt;&gt;();       // maps object to others that depend on it<a name="line.205"></a>
<span class="sourceLineNo">206</span><a name="line.206"></a>
<span class="sourceLineNo">207</span>    private Class&lt;?&gt; type;<a name="line.207"></a>
<span class="sourceLineNo">208</span>    private int maxObjects = DEFAULT_MAX_OBJECTS;<a name="line.208"></a>
<span class="sourceLineNo">209</span>    private ProvidesPropertyScanner&lt;?&gt; propertyScanner;<a name="line.209"></a>
<span class="sourceLineNo">210</span>    private List&lt;String&gt; orderedPropertyNames;<a name="line.210"></a>
<span class="sourceLineNo">211</span><a name="line.211"></a>
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<span class="sourceLineNo">457</span>            public JObject apply(JObject jobj) {<a name="line.457"></a>
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<span class="sourceLineNo">459</span>            }<a name="line.459"></a>
<span class="sourceLineNo">460</span>        });<a name="line.460"></a>
<span class="sourceLineNo">461</span><a name="line.461"></a>
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<span class="sourceLineNo">464</span><a name="line.464"></a>
<span class="sourceLineNo">465</span>        // Now actually load them<a name="line.465"></a>
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<span class="sourceLineNo">469</span><a name="line.469"></a>
<span class="sourceLineNo">470</span>    /**<a name="line.470"></a>
<span class="sourceLineNo">471</span>     * Copy the given database object, and any related objects needed by any<a name="line.471"></a>
<span class="sourceLineNo">472</span>     * {@link org.dellroad.stuff.vaadin7.ProvidesProperty &amp;#64;ProvidesProperty}-annotated methods,<a name="line.472"></a>
<span class="sourceLineNo">473</span>     * into the current {@link org.jsimpledb.SnapshotJTransaction}.<a name="line.473"></a>
<span class="sourceLineNo">474</span>     *<a name="line.474"></a>
<span class="sourceLineNo">475</span>     * &lt;p&gt;<a name="line.475"></a>
<span class="sourceLineNo">476</span>     * The implementation in {@link JObjectContainer} copies {@code jobj}, and all of {@code jobj}'s related objects returned<a name="line.476"></a>
<span class="sourceLineNo">477</span>     * by {@link #getDependencies getDependencies()}, via {@link JTransaction#copyTo(JTransaction, CopyState, Iterable)}.<a name="line.477"></a>
<span class="sourceLineNo">478</span>     * &lt;/p&gt;<a name="line.478"></a>
<span class="sourceLineNo">479</span>     *<a name="line.479"></a>
<span class="sourceLineNo">480</span>     * @param target the object to copy, or null (ignored)<a name="line.480"></a>
<span class="sourceLineNo">481</span>     * @param copyState tracks what's already been copied<a name="line.481"></a>
<span class="sourceLineNo">482</span>     * @return the copy of {@code target} in the current {@link org.jsimpledb.SnapshotJTransaction},<a name="line.482"></a>
<span class="sourceLineNo">483</span>     *  or null if {@code target} is null<a name="line.483"></a>
<span class="sourceLineNo">484</span>     */<a name="line.484"></a>
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<span class="sourceLineNo">486</span><a name="line.486"></a>
<span class="sourceLineNo">487</span>        // Ignore null<a name="line.487"></a>
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<span class="sourceLineNo">490</span><a name="line.490"></a>
<span class="sourceLineNo">491</span>        // Copy out object<a name="line.491"></a>
<span class="sourceLineNo">492</span>        final ObjId targetId = target.getObjId();<a name="line.492"></a>
<span class="sourceLineNo">493</span>        final JTransaction jtx = JTransaction.getCurrent();<a name="line.493"></a>
<span class="sourceLineNo">494</span>        final SnapshotJTransaction sjtx = jtx.getSnapshotTransaction();<a name="line.494"></a>
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<span class="sourceLineNo">496</span><a name="line.496"></a>
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<span class="sourceLineNo">502</span>            for (JObject jobj : dependencies) {<a name="line.502"></a>
<span class="sourceLineNo">503</span>                final ObjId id = jobj.getObjId();<a name="line.503"></a>
<span class="sourceLineNo">504</span>                ObjIdSet affectedIds = this.dependenciesMap.get(id);<a name="line.504"></a>
<span class="sourceLineNo">505</span>                if (affectedIds == null) {<a name="line.505"></a>
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<span class="sourceLineNo">507</span>                    this.dependenciesMap.put(id, affectedIds);<a name="line.507"></a>
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<span class="sourceLineNo">509</span>                affectedIds.add(targetId);<a name="line.509"></a>
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<span class="sourceLineNo">516</span><a name="line.516"></a>
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<span class="sourceLineNo">518</span>     * Find objects related to the specified object that are needed by any<a name="line.518"></a>
<span class="sourceLineNo">519</span>     * {@link org.dellroad.stuff.vaadin7.ProvidesProperty &amp;#64;ProvidesProperty}-annotated<a name="line.519"></a>
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<span class="sourceLineNo">521</span>     * all of the other objects on which any container property of {@code jobj} may depend.<a name="line.521"></a>
<span class="sourceLineNo">522</span>     *<a name="line.522"></a>
<span class="sourceLineNo">523</span>     * &lt;p&gt;<a name="line.523"></a>
<span class="sourceLineNo">524</span>     * The implementation in {@link JObjectContainer} returns all objects that are directly referenced by {@code jobj},<a name="line.524"></a>
<span class="sourceLineNo">525</span>     * delegating to {@link JSimpleDB#getReferencedObjects JSimpleDB.getReferencedObjects()}.<a name="line.525"></a>
<span class="sourceLineNo">526</span>     * Subclasses may override this method to refine the selection.<a name="line.526"></a>
<span class="sourceLineNo">527</span>     * &lt;/p&gt;<a name="line.527"></a>
<span class="sourceLineNo">528</span>     *<a name="line.528"></a>
<span class="sourceLineNo">529</span>     * @param jobj the object being copied<a name="line.529"></a>
<span class="sourceLineNo">530</span>     * @return {@link Iterable} of additional objects to be copied, or null for none; any null values are ignored<a name="line.530"></a>
<span class="sourceLineNo">531</span>     * @throws IllegalArgumentException if {@code jobj} is null<a name="line.531"></a>
<span class="sourceLineNo">532</span>     */<a name="line.532"></a>
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<span class="sourceLineNo">536</span><a name="line.536"></a>
<span class="sourceLineNo">537</span>    /**<a name="line.537"></a>
<span class="sourceLineNo">538</span>     * Perform the given action within a {@link JTransaction}.<a name="line.538"></a>
<span class="sourceLineNo">539</span>     *<a name="line.539"></a>
<span class="sourceLineNo">540</span>     * @param action the action to perform<a name="line.540"></a>
<span class="sourceLineNo">541</span>     */<a name="line.541"></a>
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<span class="sourceLineNo">543</span><a name="line.543"></a>
<span class="sourceLineNo">544</span>    /**<a name="line.544"></a>
<span class="sourceLineNo">545</span>     * Query for the database objects that will be used to fill this container. Objects should be returned in the<a name="line.545"></a>
<span class="sourceLineNo">546</span>     * desired order; any duplicates will be ignored.<a name="line.546"></a>
<span class="sourceLineNo">547</span>     *<a name="line.547"></a>
<span class="sourceLineNo">548</span>     * &lt;p&gt;<a name="line.548"></a>
<span class="sourceLineNo">549</span>     * A {@link JTransaction} will be open in the current thread when this method is invoked.<a name="line.549"></a>
<span class="sourceLineNo">550</span>     * &lt;/p&gt;<a name="line.550"></a>
<span class="sourceLineNo">551</span>     *<a name="line.551"></a>
<span class="sourceLineNo">552</span>     * @return database objects<a name="line.552"></a>
<span class="sourceLineNo">553</span>     */<a name="line.553"></a>
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<span class="sourceLineNo">555</span><a name="line.555"></a>
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<span class="sourceLineNo">557</span><a name="line.557"></a>
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<span class="sourceLineNo">559</span>        final PropertyDefHolder pdefs = new PropertyDefHolder();<a name="line.559"></a>
<span class="sourceLineNo">560</span><a name="line.560"></a>
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<span class="sourceLineNo">562</span>        pdefs.setPropertyDef(this.refLabelPropertyDef);<a name="line.562"></a>
<span class="sourceLineNo">563</span>        pdefs.setPropertyDef(this.objIdPropertyDef);<a name="line.563"></a>
<span class="sourceLineNo">564</span>        pdefs.setPropertyDef(this.objTypePropertyDef);<a name="line.564"></a>
<span class="sourceLineNo">565</span>        pdefs.setPropertyDef(this.objVersionPropertyDef);<a name="line.565"></a>
<span class="sourceLineNo">566</span><a name="line.566"></a>
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<span class="sourceLineNo">568</span>        final SortedMap&lt;Integer, JField&gt; jfields = Util.getCommonJFields(this.jdb.getJClasses(this.type));<a name="line.568"></a>
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<span class="sourceLineNo">570</span>            for (JField jfield : jfields.values())<a name="line.570"></a>
<span class="sourceLineNo">571</span>                pdefs.setPropertyDef(new ObjFieldPropertyDef(jfield.getStorageId(), jfield.getName()));<a name="line.571"></a>
<span class="sourceLineNo">572</span>        }<a name="line.572"></a>
<span class="sourceLineNo">573</span><a name="line.573"></a>
<span class="sourceLineNo">574</span>        // Apply any @ProvidesProperty-annotated method properties, possibly overridding jfields<a name="line.574"></a>
<span class="sourceLineNo">575</span>        if (this.propertyScanner != null) {<a name="line.575"></a>
<span class="sourceLineNo">576</span>            for (PropertyDef&lt;?&gt; propertyDef : this.propertyScanner.getPropertyDefs())<a name="line.576"></a>
<span class="sourceLineNo">577</span>                pdefs.setPropertyDef(propertyDef);<a name="line.577"></a>
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<span class="sourceLineNo">579</span><a name="line.579"></a>
<span class="sourceLineNo">580</span>        // Done<a name="line.580"></a>
<span class="sourceLineNo">581</span>        return pdefs.values();<a name="line.581"></a>
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<span class="sourceLineNo">583</span><a name="line.583"></a>
<span class="sourceLineNo">584</span>// PropertyExtractor<a name="line.584"></a>
<span class="sourceLineNo">585</span><a name="line.585"></a>
<span class="sourceLineNo">586</span>    @Override<a name="line.586"></a>
<span class="sourceLineNo">587</span>    @SuppressWarnings("unchecked")<a name="line.587"></a>
<span class="sourceLineNo">588</span>    public &lt;V&gt; V getPropertyValue(JObject jobj, PropertyDef&lt;V&gt; propertyDef) {<a name="line.588"></a>
<span class="sourceLineNo">589</span>        if (propertyDef instanceof ObjPropertyDef)<a name="line.589"></a>
<span class="sourceLineNo">590</span>            return (V)((ObjPropertyDef&lt;?&gt;)propertyDef).extract(jobj);<a name="line.590"></a>
<span class="sourceLineNo">591</span>        if (this.propertyScanner == null)<a name="line.591"></a>
<span class="sourceLineNo">592</span>            throw new IllegalArgumentException("unknown property: " + propertyDef.getName());<a name="line.592"></a>
<span class="sourceLineNo">593</span>        return JObjectContainer.extractProperty(this.propertyScanner.getPropertyExtractor(), propertyDef, jobj);<a name="line.593"></a>
<span class="sourceLineNo">594</span>    }<a name="line.594"></a>
<span class="sourceLineNo">595</span><a name="line.595"></a>
<span class="sourceLineNo">596</span>    @SuppressWarnings("unchecked")<a name="line.596"></a>
<span class="sourceLineNo">597</span>    private static &lt;V&gt; V extractProperty(PropertyExtractor&lt;?&gt; propertyExtractor, PropertyDef&lt;V&gt; propertyDef, JObject jobj) {<a name="line.597"></a>
<span class="sourceLineNo">598</span>        try {<a name="line.598"></a>
<span class="sourceLineNo">599</span>            return ((PropertyExtractor&lt;JObject&gt;)propertyExtractor).getPropertyValue(jobj, propertyDef);<a name="line.599"></a>
<span class="sourceLineNo">600</span>        } catch (DeletedObjectException e) {<a name="line.600"></a>
<span class="sourceLineNo">601</span>            try {<a name="line.601"></a>
<span class="sourceLineNo">602</span>                return propertyDef.getType().cast(new SizedLabel("&lt;i&gt;Unavailable&lt;/i&gt;", ContentMode.HTML));<a name="line.602"></a>
<span class="sourceLineNo">603</span>            } catch (ClassCastException e2) {<a name="line.603"></a>
<span class="sourceLineNo">604</span>                try {<a name="line.604"></a>
<span class="sourceLineNo">605</span>                    return propertyDef.getType().cast("(Unavailable)");<a name="line.605"></a>
<span class="sourceLineNo">606</span>                } catch (ClassCastException e3) {<a name="line.606"></a>
<span class="sourceLineNo">607</span>                    return null;<a name="line.607"></a>
<span class="sourceLineNo">608</span>                }<a name="line.608"></a>
<span class="sourceLineNo">609</span>            }<a name="line.609"></a>
<span class="sourceLineNo">610</span>        }<a name="line.610"></a>
<span class="sourceLineNo">611</span>    }<a name="line.611"></a>
<span class="sourceLineNo">612</span><a name="line.612"></a>
<span class="sourceLineNo">613</span>// ObjPropertyDef<a name="line.613"></a>
<span class="sourceLineNo">614</span><a name="line.614"></a>
<span class="sourceLineNo">615</span>    /**<a name="line.615"></a>
<span class="sourceLineNo">616</span>     * Support superclass for {@link PropertyDef} implementations that derive the property value from a {@link JObject}.<a name="line.616"></a>
<span class="sourceLineNo">617</span>     */<a name="line.617"></a>
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<span class="sourceLineNo">619</span><a name="line.619"></a>
<span class="sourceLineNo">620</span>        protected ObjPropertyDef(String name, Class&lt;T&gt; type) {<a name="line.620"></a>
<span class="sourceLineNo">621</span>            super(name, type);<a name="line.621"></a>
<span class="sourceLineNo">622</span>        }<a name="line.622"></a>
<span class="sourceLineNo">623</span><a name="line.623"></a>
<span class="sourceLineNo">624</span>        public abstract T extract(JObject jobj);<a name="line.624"></a>
<span class="sourceLineNo">625</span>    }<a name="line.625"></a>
<span class="sourceLineNo">626</span><a name="line.626"></a>
<span class="sourceLineNo">627</span>// ObjIdPropertyDef<a name="line.627"></a>
<span class="sourceLineNo">628</span><a name="line.628"></a>
<span class="sourceLineNo">629</span>    /**<a name="line.629"></a>
<span class="sourceLineNo">630</span>     * Implements the {@link JObjectContainer#OBJECT_ID_PROPERTY} property.<a name="line.630"></a>
<span class="sourceLineNo">631</span>     */<a name="line.631"></a>
<span class="sourceLineNo">632</span>    public static class ObjIdPropertyDef extends ObjPropertyDef&lt;SizedLabel&gt; {<a name="line.632"></a>
<span class="sourceLineNo">633</span><a name="line.633"></a>
<span class="sourceLineNo">634</span>        public ObjIdPropertyDef() {<a name="line.634"></a>
<span class="sourceLineNo">635</span>            super(OBJECT_ID_PROPERTY, SizedLabel.class);<a name="line.635"></a>
<span class="sourceLineNo">636</span>        }<a name="line.636"></a>
<span class="sourceLineNo">637</span><a name="line.637"></a>
<span class="sourceLineNo">638</span>        @Override<a name="line.638"></a>
<span class="sourceLineNo">639</span>        public SizedLabel extract(JObject jobj) {<a name="line.639"></a>
<span class="sourceLineNo">640</span>            return new SizedLabel("&lt;code&gt;" + jobj.getObjId() + "&lt;/code&gt;", ContentMode.HTML);<a name="line.640"></a>
<span class="sourceLineNo">641</span>        }<a name="line.641"></a>
<span class="sourceLineNo">642</span>    }<a name="line.642"></a>
<span class="sourceLineNo">643</span><a name="line.643"></a>
<span class="sourceLineNo">644</span>// ObjTypePropertyDef<a name="line.644"></a>
<span class="sourceLineNo">645</span><a name="line.645"></a>
<span class="sourceLineNo">646</span>    /**<a name="line.646"></a>
<span class="sourceLineNo">647</span>     * Implements the {@link JObjectContainer#TYPE_PROPERTY} property.<a name="line.647"></a>
<span class="sourceLineNo">648</span>     */<a name="line.648"></a>
<span class="sourceLineNo">649</span>    public static class ObjTypePropertyDef extends ObjPropertyDef&lt;SizedLabel&gt; {<a name="line.649"></a>
<span class="sourceLineNo">650</span><a name="line.650"></a>
<span class="sourceLineNo">651</span>        public ObjTypePropertyDef() {<a name="line.651"></a>
<span class="sourceLineNo">652</span>            super(TYPE_PROPERTY, SizedLabel.class);<a name="line.652"></a>
<span class="sourceLineNo">653</span>        }<a name="line.653"></a>
<span class="sourceLineNo">654</span><a name="line.654"></a>
<span class="sourceLineNo">655</span>        @Override<a name="line.655"></a>
<span class="sourceLineNo">656</span>        public SizedLabel extract(JObject jobj) {<a name="line.656"></a>
<span class="sourceLineNo">657</span>            return new SizedLabel(jobj.getTransaction().getTransaction().getSchemas()<a name="line.657"></a>
<span class="sourceLineNo">658</span>              .getVersion(jobj.getSchemaVersion()).getObjType(jobj.getObjId().getStorageId()).getName());<a name="line.658"></a>
<span class="sourceLineNo">659</span>        }<a name="line.659"></a>
<span class="sourceLineNo">660</span>    }<a name="line.660"></a>
<span class="sourceLineNo">661</span><a name="line.661"></a>
<span class="sourceLineNo">662</span>// ObjVersionPropertyDef<a name="line.662"></a>
<span class="sourceLineNo">663</span><a name="line.663"></a>
<span class="sourceLineNo">664</span>    /**<a name="line.664"></a>
<span class="sourceLineNo">665</span>     * Implements the {@link JObjectContainer#VERSION_PROPERTY} property.<a name="line.665"></a>
<span class="sourceLineNo">666</span>     */<a name="line.666"></a>
<span class="sourceLineNo">667</span>    public static class ObjVersionPropertyDef extends ObjPropertyDef&lt;SizedLabel&gt; {<a name="line.667"></a>
<span class="sourceLineNo">668</span><a name="line.668"></a>
<span class="sourceLineNo">669</span>        public ObjVersionPropertyDef() {<a name="line.669"></a>
<span class="sourceLineNo">670</span>            super(VERSION_PROPERTY, SizedLabel.class);<a name="line.670"></a>
<span class="sourceLineNo">671</span>        }<a name="line.671"></a>
<span class="sourceLineNo">672</span><a name="line.672"></a>
<span class="sourceLineNo">673</span>        @Override<a name="line.673"></a>
<span class="sourceLineNo">674</span>        public SizedLabel extract(JObject jobj) {<a name="line.674"></a>
<span class="sourceLineNo">675</span>            return new SizedLabel("" + jobj.getSchemaVersion());<a name="line.675"></a>
<span class="sourceLineNo">676</span>        }<a name="line.676"></a>
<span class="sourceLineNo">677</span>    }<a name="line.677"></a>
<span class="sourceLineNo">678</span><a name="line.678"></a>
<span class="sourceLineNo">679</span>// RefLabelPropertyDef<a name="line.679"></a>
<span class="sourceLineNo">680</span><a name="line.680"></a>
<span class="sourceLineNo">681</span>    /**<a name="line.681"></a>
<span class="sourceLineNo">682</span>     * Implements the {@link JObjectContainer#REFERENCE_LABEL_PROPERTY} property.<a name="line.682"></a>
<span class="sourceLineNo">683</span>     */<a name="line.683"></a>
<span class="sourceLineNo">684</span>    public static class RefLabelPropertyDef extends ObjPropertyDef&lt;Component&gt; {<a name="line.684"></a>
<span class="sourceLineNo">685</span><a name="line.685"></a>
<span class="sourceLineNo">686</span>        public RefLabelPropertyDef() {<a name="line.686"></a>
<span class="sourceLineNo">687</span>            super(REFERENCE_LABEL_PROPERTY, Component.class);<a name="line.687"></a>
<span class="sourceLineNo">688</span>        }<a name="line.688"></a>
<span class="sourceLineNo">689</span><a name="line.689"></a>
<span class="sourceLineNo">690</span>        @Override<a name="line.690"></a>
<span class="sourceLineNo">691</span>        public Component extract(JObject jobj) {<a name="line.691"></a>
<span class="sourceLineNo">692</span>            final ReferenceMethodInfoCache.PropertyInfo&lt;?&gt; propertyInfo<a name="line.692"></a>
<span class="sourceLineNo">693</span>              = ReferenceMethodInfoCache.getInstance().getReferenceMethodInfo(jobj.getClass());<a name="line.693"></a>
<span class="sourceLineNo">694</span>            if (propertyInfo == ReferenceMethodInfoCache.NOT_FOUND)<a name="line.694"></a>
<span class="sourceLineNo">695</span>                return new ObjIdPropertyDef().extract(jobj);<a name="line.695"></a>
<span class="sourceLineNo">696</span>            final Object value = JObjectContainer.extractProperty(<a name="line.696"></a>
<span class="sourceLineNo">697</span>              propertyInfo.getPropertyExtractor(), propertyInfo.getPropertyDef(), jobj);<a name="line.697"></a>
<span class="sourceLineNo">698</span>            if (value instanceof Component)<a name="line.698"></a>
<span class="sourceLineNo">699</span>                return (Component)value;<a name="line.699"></a>
<span class="sourceLineNo">700</span>            return new SizedLabel(String.valueOf(value));<a name="line.700"></a>
<span class="sourceLineNo">701</span>        }<a name="line.701"></a>
<span class="sourceLineNo">702</span>    }<a name="line.702"></a>
<span class="sourceLineNo">703</span><a name="line.703"></a>
<span class="sourceLineNo">704</span>// ObjFieldPropertyDef<a name="line.704"></a>
<span class="sourceLineNo">705</span><a name="line.705"></a>
<span class="sourceLineNo">706</span>    /**<a name="line.706"></a>
<span class="sourceLineNo">707</span>     * Implements a property reflecting the value of a {@link JSimpleDB} field.<a name="line.707"></a>
<span class="sourceLineNo">708</span>     */<a name="line.708"></a>
<span class="sourceLineNo">709</span>    public class ObjFieldPropertyDef extends ObjPropertyDef&lt;Component&gt; {<a name="line.709"></a>
<span class="sourceLineNo">710</span><a name="line.710"></a>
<span class="sourceLineNo">711</span>        private static final int MAX_ITEMS = 3;<a name="line.711"></a>
<span class="sourceLineNo">712</span><a name="line.712"></a>
<span class="sourceLineNo">713</span>        private final int storageId;<a name="line.713"></a>
<span class="sourceLineNo">714</span><a name="line.714"></a>
<span class="sourceLineNo">715</span>        public ObjFieldPropertyDef(int storageId, String name) {<a name="line.715"></a>
<span class="sourceLineNo">716</span>            super(name, Component.class);<a name="line.716"></a>
<span class="sourceLineNo">717</span>            this.storageId = storageId;<a name="line.717"></a>
<span class="sourceLineNo">718</span>        }<a name="line.718"></a>
<span class="sourceLineNo">719</span><a name="line.719"></a>
<span class="sourceLineNo">720</span>        @Override<a name="line.720"></a>
<span class="sourceLineNo">721</span>        public Component extract(final JObject jobj) {<a name="line.721"></a>
<span class="sourceLineNo">722</span>            final JField jfield = JObjectContainer.this.jdb.getJClass(jobj.getObjId()).getJField(this.storageId, JField.class);<a name="line.722"></a>
<span class="sourceLineNo">723</span>            try {<a name="line.723"></a>
<span class="sourceLineNo">724</span>                return jfield.visit(new JFieldSwitchAdapter&lt;Component&gt;() {<a name="line.724"></a>
<span class="sourceLineNo">725</span><a name="line.725"></a>
<span class="sourceLineNo">726</span>                    @Override<a name="line.726"></a>
<span class="sourceLineNo">727</span>                    public Component caseJSimpleField(JSimpleField field) {<a name="line.727"></a>
<span class="sourceLineNo">728</span>                        return ObjFieldPropertyDef.this.handleValue(field.getValue(jobj));<a name="line.728"></a>
<span class="sourceLineNo">729</span>                    }<a name="line.729"></a>
<span class="sourceLineNo">730</span><a name="line.730"></a>
<span class="sourceLineNo">731</span>                    @Override<a name="line.731"></a>
<span class="sourceLineNo">732</span>                    public Component caseJCounterField(JCounterField field) {<a name="line.732"></a>
<span class="sourceLineNo">733</span>                        return ObjFieldPropertyDef.this.handleValue(field.getValue(jobj).get());<a name="line.733"></a>
<span class="sourceLineNo">734</span>                    }<a name="line.734"></a>
<span class="sourceLineNo">735</span><a name="line.735"></a>
<span class="sourceLineNo">736</span>                    @Override<a name="line.736"></a>
<span class="sourceLineNo">737</span>                    protected Component caseJCollectionField(JCollectionField field) {<a name="line.737"></a>
<span class="sourceLineNo">738</span>                        return ObjFieldPropertyDef.this.handleCollectionField(field.getValue(jobj));<a name="line.738"></a>
<span class="sourceLineNo">739</span>                    }<a name="line.739"></a>
<span class="sourceLineNo">740</span><a name="line.740"></a>
<span class="sourceLineNo">741</span>                    @Override<a name="line.741"></a>
<span class="sourceLineNo">742</span>                    public Component caseJMapField(JMapField field) {<a name="line.742"></a>
<span class="sourceLineNo">743</span>                        return ObjFieldPropertyDef.this.handleMultiple(Iterables.transform(field.getValue(jobj).entrySet(),<a name="line.743"></a>
<span class="sourceLineNo">744</span>                          new Function&lt;Map.Entry&lt;?, ?&gt;, Component&gt;() {<a name="line.744"></a>
<span class="sourceLineNo">745</span>                            @Override<a name="line.745"></a>
<span class="sourceLineNo">746</span>                            public Component apply(Map.Entry&lt;?, ?&gt; entry) {<a name="line.746"></a>
<span class="sourceLineNo">747</span>                                final HorizontalLayout layout = new HorizontalLayout();<a name="line.747"></a>
<span class="sourceLineNo">748</span>                                layout.setMargin(false);<a name="line.748"></a>
<span class="sourceLineNo">749</span>                                layout.setSpacing(false);<a name="line.749"></a>
<span class="sourceLineNo">750</span>                                layout.addComponent(ObjFieldPropertyDef.this.handleValue(entry.getKey()));<a name="line.750"></a>
<span class="sourceLineNo">751</span>                                layout.addComponent(new SizedLabel(" \u21d2 "));        // RIGHTWARDS DOUBLE ARROW<a name="line.751"></a>
<span class="sourceLineNo">752</span>                                layout.addComponent(ObjFieldPropertyDef.this.handleValue(entry.getValue()));<a name="line.752"></a>
<span class="sourceLineNo">753</span>                                return layout;<a name="line.753"></a>
<span class="sourceLineNo">754</span>                            }<a name="line.754"></a>
<span class="sourceLineNo">755</span>                        }));<a name="line.755"></a>
<span class="sourceLineNo">756</span>                    }<a name="line.756"></a>
<span class="sourceLineNo">757</span>                });<a name="line.757"></a>
<span class="sourceLineNo">758</span>            } catch (UnknownFieldException e) {<a name="line.758"></a>
<span class="sourceLineNo">759</span>                return new SizedLabel("&lt;i&gt;NA&lt;/i&gt;", ContentMode.HTML);<a name="line.759"></a>
<span class="sourceLineNo">760</span>            }<a name="line.760"></a>
<span class="sourceLineNo">761</span>        }<a name="line.761"></a>
<span class="sourceLineNo">762</span><a name="line.762"></a>
<span class="sourceLineNo">763</span>        private Component handleCollectionField(Collection&lt;?&gt; col) {<a name="line.763"></a>
<span class="sourceLineNo">764</span>            return this.handleMultiple(Iterables.transform(col, new Function&lt;Object, Component&gt;() {<a name="line.764"></a>
<span class="sourceLineNo">765</span>                @Override<a name="line.765"></a>
<span class="sourceLineNo">766</span>                public Component apply(Object item) {<a name="line.766"></a>
<span class="sourceLineNo">767</span>                    return ObjFieldPropertyDef.this.handleValue(item);<a name="line.767"></a>
<span class="sourceLineNo">768</span>                }<a name="line.768"></a>
<span class="sourceLineNo">769</span>            }));<a name="line.769"></a>
<span class="sourceLineNo">770</span>        }<a name="line.770"></a>
<span class="sourceLineNo">771</span><a name="line.771"></a>
<span class="sourceLineNo">772</span>        private Component handleMultiple(Iterable&lt;Component&gt; components) {<a name="line.772"></a>
<span class="sourceLineNo">773</span>            final HorizontalLayout layout = new HorizontalLayout();<a name="line.773"></a>
<span class="sourceLineNo">774</span>            layout.setMargin(false);<a name="line.774"></a>
<span class="sourceLineNo">775</span>            layout.setSpacing(false);<a name="line.775"></a>
<span class="sourceLineNo">776</span>            int count = 0;<a name="line.776"></a>
<span class="sourceLineNo">777</span>            for (Component component : components) {<a name="line.777"></a>
<span class="sourceLineNo">778</span>                if (count &gt;= MAX_ITEMS) {<a name="line.778"></a>
<span class="sourceLineNo">779</span>                    layout.addComponent(new SizedLabel("..."));<a name="line.779"></a>
<span class="sourceLineNo">780</span>                    break;<a name="line.780"></a>
<span class="sourceLineNo">781</span>                }<a name="line.781"></a>
<span class="sourceLineNo">782</span>                if (count &gt; 0)<a name="line.782"></a>
<span class="sourceLineNo">783</span>                    layout.addComponent(new SizedLabel(",&amp;#160;", ContentMode.HTML));<a name="line.783"></a>
<span class="sourceLineNo">784</span>                layout.addComponent(component);<a name="line.784"></a>
<span class="sourceLineNo">785</span>                count++;<a name="line.785"></a>
<span class="sourceLineNo">786</span>            }<a name="line.786"></a>
<span class="sourceLineNo">787</span>            return layout;<a name="line.787"></a>
<span class="sourceLineNo">788</span>        }<a name="line.788"></a>
<span class="sourceLineNo">789</span><a name="line.789"></a>
<span class="sourceLineNo">790</span>        @SuppressWarnings("unchecked")<a name="line.790"></a>
<span class="sourceLineNo">791</span>        private &lt;T&gt; Component handleValue(Object value) {<a name="line.791"></a>
<span class="sourceLineNo">792</span>            if (value == null)<a name="line.792"></a>
<span class="sourceLineNo">793</span>                return new SizedLabel("&lt;i&gt;Null&lt;/i&gt;", ContentMode.HTML);<a name="line.793"></a>
<span class="sourceLineNo">794</span>            if (value instanceof JObject)<a name="line.794"></a>
<span class="sourceLineNo">795</span>                return new RefLabelPropertyDef().extract((JObject)value);<a name="line.795"></a>
<span class="sourceLineNo">796</span>            return new SizedLabel(String.valueOf(value));<a name="line.796"></a>
<span class="sourceLineNo">797</span>        }<a name="line.797"></a>
<span class="sourceLineNo">798</span>    }<a name="line.798"></a>
<span class="sourceLineNo">799</span><a name="line.799"></a>
<span class="sourceLineNo">800</span>// PropertyDefHolder<a name="line.800"></a>
<span class="sourceLineNo">801</span><a name="line.801"></a>
<span class="sourceLineNo">802</span>    private static class PropertyDefHolder extends LinkedHashMap&lt;String, PropertyDef&lt;?&gt;&gt; {<a name="line.802"></a>
<span class="sourceLineNo">803</span><a name="line.803"></a>
<span class="sourceLineNo">804</span>        public void setPropertyDef(PropertyDef&lt;?&gt; propertyDef) {<a name="line.804"></a>
<span class="sourceLineNo">805</span>            this.put(propertyDef.getName(), propertyDef);<a name="line.805"></a>
<span class="sourceLineNo">806</span>        }<a name="line.806"></a>
<span class="sourceLineNo">807</span>    }<a name="line.807"></a>
<span class="sourceLineNo">808</span>}<a name="line.808"></a>
<span class="sourceLineNo">809</span><a name="line.809"></a>




























































</pre>
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